Home / 231,936.40-348,019.80-91,699.60

Finding the Fourth Proportional to 231,936.40, 348,019.80 and 91,699.60

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Solution

The fourth proportional to 231,936.40, 348,019.80 and 91,699.60 is: 137,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,936.40 : 348,019.80 = 91,699.60 : x
  2. Step 2: Convert to fraction form
    231,936.40/348,019.80 = 91,699.60/x
  3. Step 3: Cross multiply
    231,936.40x = 348,019.80 × 91,699.60
  4. Step 4: Simplify right side
    231,936.40x = 31,913,276,452.08
  5. Step 5: Solve for x
    x = 31,913,276,452.08/231,936.40
  6. Step 6: Final answer
    x = 137,594.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.